} else 
        		newAssignment.setVisible(false);
        
        //Specific assignment attributes
        if (request.getParameter("type").equals("Online Activity") || request.getParameter("type").equals("Upload a Single File")){
        	if (request.getParameter("resubmit").equals("true")){
        		((AssignmentInteractive) newAssignment).setResubmit(true);
        	} else
        		((AssignmentInteractive) newAssignment).setResubmit(false);
        	if (request.getParameter("emailsToTeacher").equals("true")){
        		((AssignmentInteractive) newAssignment).setEmailsToTeacher(true);
        	} else
        		((AssignmentInteractive) newAssignment).setEmailsToTeacher(false);
        	if (request.getParameter("preventLateSubmissions").equals("true")){
        		((AssignmentInteractive) newAssignment).setPreventLateSubmissions(true);
        	} else
        		((AssignmentInteractive) newAssignment).setPreventLateSubmissions(false);

        }
        if (request.getParameter("type").equals("Upload a Single File")){
        	((AssignmentUploadASingleFile) newAssignment).setMaxSize(request.getParameter("maxsize"));
        	if (request.getParameter("allowNotes").equals("true")){
            	((AssignmentUploadASingleFile) newAssignment).setAllowNotes(true);
        	} else
            	((AssignmentUploadASingleFile) newAssignment).setAllowNotes(false);
        }

	}

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "idResourceContainer", nullable = false)
	public ResourceContainer getResourceContainer() {
		return this.resourceContainer;
	}

	public void setResourceContainer(ResourceContainer resourceContainer) {
		this.resourceContainer = resourceContainer;
	}

	@Column(name = "name", length = 75)
	public String getName() {
		return this.name;
	}

	public void setName(String name) {
		this.name = name;
	}
	
	@Column(name = "description", length = 200)
	public String getDescription() {
		return this.description;
	}

	public void setDescription(String description) {
		this.description = description;
	}
	

}

        newAssignment.setResourceContainer(resourceContainer);

        Date date = new Date();
        String startDateString = request.getParameter("startDate");
        String endDateString = request.getParameter("endDate");
        SimpleDateFormat formatoDelTexto= new SimpleDateFormat("dd/MM/yyyy");
        try {
			date = formatoDelTexto.parse(startDateString);
			newAssignment.setBegintime(date);
			date = formatoDelTexto.parse(endDateString);
			newAssignment.setEndtime(date);
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
 	    if (request.getParameter("hideDescriptionBeforeAvailable").equals("true"))
        	newAssignment.setHideDescriptionBeforeAvailable(true);
        else
        	newAssignment.setHideDescriptionBeforeAvailable(false);
 	    
		if (request.getParameter("visible").equals("true")){

    								RenderResponse response, Course course) {
		Long resultId= new Long(request.getParameter("resultId"));
		Long assignmentId = new Long(request.getParameter("assignmentId"));
		Assignment assignment = assignmentManager.getAssignment(assignmentId, course);
		Set<AssignmentResult> assignmentResultsSet = assignment.getResults();
		Iterator<AssignmentResult> assignmentResultIterator = assignmentResultsSet.iterator();
		boolean notFound=true;
		AssignmentResult assignmentResult=null;
		while (assignmentResultIterator.hasNext() && notFound){
			assignmentResult = assignmentResultIterator.next();
			if (assignmentResult.getResultid()==resultId){
				notFound=false;
			}
		}
		assignmentResultsSet.remove(assignmentResult);

		long courseId = liferayUtil.getComunityGroupId(request, response);

		// get the user type: student or teacher
		String usertype = merlinUtil.getUserType(request, response,	courseId);

		// get the course
		Course course = courseManager.getCourse(courseId);

		Map<String, SearchContainer> model;
		model = assignmentManager.listAssignment(request, response, course,	usertype);

		if (usertype=="teacher"){
			return new ModelAndView("assignments/listAssignment/teacherAssignmentsList", "model", model);
		}
		else
			if (usertype=="student"){
				return new ModelAndView("assignments/listAssignment/studentAssignmentsList", "model", model);
			}
			else //guest user, user without teacher or student role
					return new ModelAndView("errors/notAuthorized", "model", model);
	}

	/**
	 * @param assignmentManager
	 *            the assignmentManager to set
	 */
	public void setAssignmentManager(
			AssignmentManager assignmentManager) {

		this.id = adviseid;
	}

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "idResourceContainer",nullable = false)
	public ResourceContainer getResourceContainer() {
		return this.resourceContainer;
	}

	public void setResourceContainer(ResourceContainer resourceContainer) {
		this.resourceContainer = resourceContainer;
	}

	@Column(name = "name", length = 75)
	public String getName() {
		return this.name;
	}

	public void setName(String name) {
		this.name = name;
	}

	@Column(name = "comments")
	public String getComments() {
		return this.description;